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I'm looking for the name of a puzzle where the goal is to activate (or deactivate) a set of buttons.

If you activate a button, it switches the state of this button and of its neighbour.

Say you start in this situation

0 0 0
0   0
0 0 0

And you activate the top left button, then you end up in this state.

1 1 0
1   0
0 0 0

If you activate the middle left button, it switches it and its neighbour (so it switches the whole left column). Result states follows :

0 1 0
0   0
1 0 0

I understand it is a simple permutation game, but I'd like to know if it has a special name. It's often encountered in video games.

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One name I often hear is a Lights Out puzzle.

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  • 1
    $\begingroup$ It could be Merlin as well. was reading the link that charfellow provided and it states that $\endgroup$ – LearningPhase Apr 18 '16 at 16:53

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